The formula for an infinite geometric sequence is the following:

Just substitute the values of

and r into the formula.



Therefore, the answer is 20.
Answer:
Turn everything into fractions. You can also combine like terms.
Step-by-step explanation:
The solution to the system of linear equations is where the two lines intersect.
Look for the point where the two lines intersect. The x-value is 2 1/2, and the y-value is -4.
The answer is C.
Answer: 45/8 or 5 5/8
Step-by-step explanation:
9 5 = 45
1 8 = 8
45/8=5 and 5/8